Improvement in car-axle boxes



M. M. BARRY. Gar-Axle Box.

No. 217,319. Patented July 8,1879.

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N. PEI'ER5. PHOTO UTHOGRAFHER UNITED STATES PATENT OFFICE.

MEDDY M. BARRY, OF ROME, GEORGIA.

IMPROVEMENT IN CAR-AXLE BOXES.

Specification forming part of Letters Patent No. 217.319, dated July 8,1879; application filed June 9, 1879.

To all whom, it may concern:

Be it known that I, MEDDY M. BARRY, of Rome, in the county of Floyd andState of Georgia, have invented a new and valuable .lmprovementin Journal-Boxes; and I do hereby declare that the following is a full,clear, and exact description of the construction and operation of thesame, reference being had to the annexed drawings, making a part of thisspecification, and to the letters and figures of reference markedthereon.

Figure 1 of the drawings is a representation of an end view of myjournal-box, and- Fig. 2 is a central sectional view of the same.

The nature of my invention consists in the construction and arrangementof a car-axlejournal box, as will be hereinafter more fully set forth.

The annexed drawings, towhich reference is made, fully illustrate myinvention.

A representsthe usual pedestal, in which the journal-box B is placed. 00 represent a series of friction-rollers, made in a chill, and whichtravel in a chilled channel, a, on the inside of the journal-box. Drepresents the ionrnal, having a sleeve, D, cast upon it to bring it toa uniform size. This is intended only in case of old journals.

E is the hub of the car-wheel. Between this hub and the side of the boxA is a strap, G, placed around the'journal, and this strap carries alateral roller, b, in an enlargement of the strap.

at is a recess in the end of the box B, through which the rollers O areput in and taken out. At the inner end of this recess at the entrance tothe channel a is a shoulder, av, to prevent rollers coming out after theweight of the car is let down.

When the car is in motion the weight on the rollers will be only aboutfrom fifty to sixty degrees at the top of the inside circle of thejournal-box, so that the rollers will be relieved of their burden at ornear a vertical position.

As said rollers are relieved they force the ones ahead of them around upto the point where they are received again.

' It will be noticed that the inner circle formed is to keep them frombinding or rubbing while.

working under the weight of the car. By this vacancy they will mount alittle ahead of each other, thereby preventing the friction which wouldotherwise occur by their rubbing.

The lateral roller 1) between the box and the wheel destroys thefriction that occurs by the rubbing of the car-wheel against thejournal-box. There is lateral play between this box and wheel, the sameas all other boxes, so that the rollers b I), applied on the same axleat opposite ends, do not run both at the same time, but they runalternately.

What I claim as new, and desire to secure by Letters Patent, is-

1. The combination, with a car-axle-jour 'nal box, B, provided withinterior circumfer ential chilled channel a and recess d, with shoulderat, of the series of chilled rollers O and journals D D, the innercircle formed by the rollers being larger than the journal,substantially as described, and for the purpose set forth.

2. The loose band G, with lateral rollers b, in combination with thejournal D, wheel-hub E, and box B, substantially as and for the purposesherein set forth.

In testimony that I claim the above I have hereunto subscribed my namein the presence of two witnesses.

MEDDY M. BARRY.

